Combining these to renewable energy sources has many advantages over a single type system. Technology today has come far enough to make a Hybrid electric system capable of being totally independent and off-grid. While the advantages of being tied into the grid are substantial, many people in rural areas like the idea of being self sufficient.
Much of California has the average annual wind speed to produce electricity with the Urban Green Energy vertical axis turbine.While all of California enjoys the warmth and benefits of the sun. With mostly clear skies thru out the year. In the winter months when rain can be predominant the winds pick up off setting the loss of energy from Photovoltaic solar collectors that increase they're production thru out the rest of the year. Peak times vary for each